Q Ray T 153 Sports Performance Bracelet Get the edge with the new Q Ray T 153 Bracelet! The T 153 is engineered just like the Q Ray Bracelet and delivers the same amazing benefits that professional athletes and trainers from every major sport have sworn by for years. Features Ultra Lightweight Band Durable Construction Comfortable Fit Contemporary Design 5 High Tech Colors For the Serious Competitor Sizing Our experience indicates that 75% of men wear a medium and 75% of women wear a small. Size is determined by measuring the circumference of your wrist, then select the corresponding size. If you have any questions about this product or would like to order by phone, please call us Toll Free at 888 733 8383. We look forward to hearing from you!